ADO.NET Interview Questions
Questions Answers Views Company eMail

Diff b/w DataReader,Dataset and Data table?

HCL,

5 10068

We all know that Dataset is purely disconnected architechure, but we also know that we can update the changes made to the dataset can be updated in the backend database. when there is no connection how does the update happedn?

Accenture, FastStream,

6 10959

what are types of Dataset ?

HCL,

6 22163

ADO.NET is Disconnected Architecture. DataReader is connected Architecture, but DataReader is a part of ADO.NET. How is it possible?

Zensar,

3 11493

What are the Different layers in ADO.Net?

7 12167

can u tell me the how to get the print for the form

Crea,

2 4430

can u tell me the why ADO does not support xml..

Crea,

2 5834

IF we have lot of records in Database. How we can handle them?

Honeywell,

5 8550

what is ado.net

Karrox, SunGard,

6 8697

I want to ask u that if i add radio button in ado.net form,and how radion button data insert in SQL2005 Database...

6 10083

How to fetch the last inserted record in a particular table?

CarrizalSoft Technologies, Microsoft,

10 16683

How many types of data table are in SQL.NET

Chetu India, HCL, MAHINDRA,

4 15481

Differentiate between Dataset and Recordset.

2 5861

can we change the data in dataset? if yes what is the process?

Artech,

1 6116

Is ADO.NET derived from COM? true /false

Infosys,

2 6349


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Un-Answered Questions { ADO.NET }

Explain the two fundamental objects in ado.net?

583


How to add an aggregate column?

628


What are the advantages and drawbacks of using ado.net?

732


What DataReader class do in ADO.NET ?

670


Define executenonquery?

594






How do you find the count of records in a dataset?

554


What do you know about ADO.NET's objects and methods?

614


I loaded the dataset with a table of 10 records. One of the records is deleted from the backend, how do you check whether all the 10 records were present while updating the data(which event and steps) and throw the exception 28 can datareader hold data from multiple tables?

642


What is a sqldataadapter?

624


What is difference between executenonquery and executequery?

555


What is difference between ado and other data object?

549


List the 4 common ado.net namespaces?

767


What is the DataTableCollection?

665


What are the ado.net components?

624


How to copy the contents from one table to another table and how to delete the source table in ado.net?

616